<?php

/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
*/

declare(strict_types=1);

namespace pocketmine\item;

use pocketmine\entity\effect\EffectInstance;
use pocketmine\entity\effect\VanillaEffects;
use pocketmine\entity\Living;

class Potion extends Item implements ConsumableItem{

	public const WATER = 0;
	public const MUNDANE = 1;
	public const LONG_MUNDANE = 2;
	public const THICK = 3;
	public const AWKWARD = 4;
	public const NIGHT_VISION = 5;
	public const LONG_NIGHT_VISION = 6;
	public const INVISIBILITY = 7;
	public const LONG_INVISIBILITY = 8;
	public const LEAPING = 9;
	public const LONG_LEAPING = 10;
	public const STRONG_LEAPING = 11;
	public const FIRE_RESISTANCE = 12;
	public const LONG_FIRE_RESISTANCE = 13;
	public const SWIFTNESS = 14;
	public const LONG_SWIFTNESS = 15;
	public const STRONG_SWIFTNESS = 16;
	public const SLOWNESS = 17;
	public const LONG_SLOWNESS = 18;
	public const WATER_BREATHING = 19;
	public const LONG_WATER_BREATHING = 20;
	public const HEALING = 21;
	public const STRONG_HEALING = 22;
	public const HARMING = 23;
	public const STRONG_HARMING = 24;
	public const POISON = 25;
	public const LONG_POISON = 26;
	public const STRONG_POISON = 27;
	public const REGENERATION = 28;
	public const LONG_REGENERATION = 29;
	public const STRONG_REGENERATION = 30;
	public const STRENGTH = 31;
	public const LONG_STRENGTH = 32;
	public const STRONG_STRENGTH = 33;
	public const WEAKNESS = 34;
	public const LONG_WEAKNESS = 35;
	public const WITHER = 36;

	public const ALL = [
		self::WATER,
		self::MUNDANE,
		self::LONG_MUNDANE,
		self::THICK,
		self::AWKWARD,
		self::NIGHT_VISION,
		self::LONG_NIGHT_VISION,
		self::INVISIBILITY,
		self::LONG_INVISIBILITY,
		self::LEAPING,
		self::LONG_LEAPING,
		self::STRONG_LEAPING,
		self::FIRE_RESISTANCE,
		self::LONG_FIRE_RESISTANCE,
		self::SWIFTNESS,
		self::LONG_SWIFTNESS,
		self::STRONG_SWIFTNESS,
		self::SLOWNESS,
		self::LONG_SLOWNESS,
		self::WATER_BREATHING,
		self::LONG_WATER_BREATHING,
		self::HEALING,
		self::STRONG_HEALING,
		self::HARMING,
		self::STRONG_HARMING,
		self::POISON,
		self::LONG_POISON,
		self::STRONG_POISON,
		self::REGENERATION,
		self::LONG_REGENERATION,
		self::STRONG_REGENERATION,
		self::STRENGTH,
		self::LONG_STRENGTH,
		self::STRONG_STRENGTH,
		self::WEAKNESS,
		self::LONG_WEAKNESS,
		self::WITHER
	];

	/**
	 * Returns a list of effects applied by potions with the specified ID.
	 *
	 * @return EffectInstance[]
	 */
	public static function getPotionEffectsById(int $id) : array{
		switch($id){
			case self::WATER:
			case self::MUNDANE:
			case self::LONG_MUNDANE:
			case self::THICK:
			case self::AWKWARD:
				return [];
			case self::NIGHT_VISION:
				return [
					new EffectInstance(VanillaEffects::NIGHT_VISION(), 3600)
				];
			case self::LONG_NIGHT_VISION:
				return [
					new EffectInstance(VanillaEffects::NIGHT_VISION(), 9600)
				];
			case self::INVISIBILITY:
				return [
					new EffectInstance(VanillaEffects::INVISIBILITY(), 3600)
				];
			case self::LONG_INVISIBILITY:
				return [
					new EffectInstance(VanillaEffects::INVISIBILITY(), 9600)
				];
			case self::LEAPING:
				return [
					new EffectInstance(VanillaEffects::JUMP_BOOST(), 3600)
				];
			case self::LONG_LEAPING:
				return [
					new EffectInstance(VanillaEffects::JUMP_BOOST(), 9600)
				];
			case self::STRONG_LEAPING:
				return [
					new EffectInstance(VanillaEffects::JUMP_BOOST(), 1800, 1)
				];
			case self::FIRE_RESISTANCE:
				return [
					new EffectInstance(VanillaEffects::FIRE_RESISTANCE(), 3600)
				];
			case self::LONG_FIRE_RESISTANCE:
				return [
					new EffectInstance(VanillaEffects::FIRE_RESISTANCE(), 9600)
				];
			case self::SWIFTNESS:
				return [
					new EffectInstance(VanillaEffects::SPEED(), 3600)
				];
			case self::LONG_SWIFTNESS:
				return [
					new EffectInstance(VanillaEffects::SPEED(), 9600)
				];
			case self::STRONG_SWIFTNESS:
				return [
					new EffectInstance(VanillaEffects::SPEED(), 1800, 1)
				];
			case self::SLOWNESS:
				return [
					new EffectInstance(VanillaEffects::SLOWNESS(), 1800)
				];
			case self::LONG_SLOWNESS:
				return [
					new EffectInstance(VanillaEffects::SLOWNESS(), 4800)
				];
			case self::WATER_BREATHING:
				return [
					new EffectInstance(VanillaEffects::WATER_BREATHING(), 3600)
				];
			case self::LONG_WATER_BREATHING:
				return [
					new EffectInstance(VanillaEffects::WATER_BREATHING(), 9600)
				];
			case self::HEALING:
				return [
					new EffectInstance(VanillaEffects::INSTANT_HEALTH())
				];
			case self::STRONG_HEALING:
				return [
					new EffectInstance(VanillaEffects::INSTANT_HEALTH(), null, 1)
				];
			case self::HARMING:
				return [
					new EffectInstance(VanillaEffects::INSTANT_DAMAGE())
				];
			case self::STRONG_HARMING:
				return [
					new EffectInstance(VanillaEffects::INSTANT_DAMAGE(), null, 1)
				];
			case self::POISON:
				return [
					new EffectInstance(VanillaEffects::POISON(), 900)
				];
			case self::LONG_POISON:
				return [
					new EffectInstance(VanillaEffects::POISON(), 2400)
				];
			case self::STRONG_POISON:
				return [
					new EffectInstance(VanillaEffects::POISON(), 440, 1)
				];
			case self::REGENERATION:
				return [
					new EffectInstance(VanillaEffects::REGENERATION(), 900)
				];
			case self::LONG_REGENERATION:
				return [
					new EffectInstance(VanillaEffects::REGENERATION(), 2400)
				];
			case self::STRONG_REGENERATION:
				return [
					new EffectInstance(VanillaEffects::REGENERATION(), 440, 1)
				];
			case self::STRENGTH:
				return [
					new EffectInstance(VanillaEffects::STRENGTH(), 3600)
				];
			case self::LONG_STRENGTH:
				return [
					new EffectInstance(VanillaEffects::STRENGTH(), 9600)
				];
			case self::STRONG_STRENGTH:
				return [
					new EffectInstance(VanillaEffects::STRENGTH(), 1800, 1)
				];
			case self::WEAKNESS:
				return [
					new EffectInstance(VanillaEffects::WEAKNESS(), 1800)
				];
			case self::LONG_WEAKNESS:
				return [
					new EffectInstance(VanillaEffects::WEAKNESS(), 4800)
				];
			case self::WITHER:
				return [
					new EffectInstance(VanillaEffects::WITHER(), 800, 1)
				];
		}

		return [];
	}

	/** @var int */
	private $potionId;

	public function __construct(ItemIdentifier $identifier, string $name, int $potionId){
		parent::__construct($identifier, $name);
		$this->potionId = $potionId;
	}

	public function getMaxStackSize() : int{
		return 1;
	}

	public function onConsume(Living $consumer) : void{

	}

	public function getAdditionalEffects() : array{
		//TODO: check CustomPotionEffects NBT
		return self::getPotionEffectsById($this->potionId);
	}

	public function getResidue() : Item{
		return VanillaItems::GLASS_BOTTLE();
	}
}